[cost] log unmodeled function in cost analysis
[cost] log unmodeled function in cost analysis

Summary: Log unmodeled function in cost analysis and send result to scuba.

Reviewed By: ezgicicek

Differential Revision: D22158510

fbshipit-source-id: c6eade67e

jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,jvillard/infer,facebook/infer